XI. Mollusca für 1906. 7 



Herrick, J. C. Mechanism of the odontophoral apparatus in 

 Sycotypus canaliculatus. — Amer. Naturalist, vol. 40, 1908, 

 p. 707—737, 17 Fig. 



Hubert, Riehard. Zur Kenntnis der preußischen Mollusken- 

 fauna. — Schrift, physik.-ökon. Gesellsch. Königsberg, 46 Jahrg., 



1905. Königsberg 1906, p. 44—49, 1 Taf. 



Holzfuss, E. Planorbis corneus L., ein Doppelatmer. — Natur 

 u. Haus, Jahrg. 14, 1906, p. 234—236, 1 Fig. 



Honigmann, Hans (1). Beiträge zur Kenntnis des Albinismus 

 bei Schnecken. — Nachrichtsbl. Deutsch. Mal. Gesellsch. 38 Jahrg 



1906, p. 200—202. 



— (2). Über Cantareus s. Tapada apertus Born im Terrarium. 

 — Nachrichtsbl. Deutsch. Malak. Gesellsch. 38. Bd., 1906, 

 p. 44—45. 



— (3). Limnaea (Gulnaria) ovata Drap. var. Köhleri, var. 

 nova. — Nachrichtsbl. Deutsch. Malak. Gesellsch. 38. Bd., 1906, 

 p. 45—46. 



*HornelI, J. (1). Report on the Operations on the pearl banks 

 during the fisheries of 1905. — Rep. Ceylon Marine Biol. Lab., 

 vol. 1, 1906, p. 55—80. 



* — (2). Report on the Placuna placenta Pearl Fishery of 

 Lake Tampalakamam. — Rep. Ceylon Marine Biol. Lab. 1, 1906, 

 p. 41—54. 



Hoyle, W. E. Biscayan Plankton coUected during a cruise of 

 H. M. S. ,Research', 1900. Part VIII. The Cephalopoda. — 

 Transact. Linn. Soc. London, 2. ser. Zool., vol. X, part 6, 1906, 

 p. 159—162, 3 Fig. 



*Ingier, Alexandra. Über den Bau der Genitalorgane von 

 Acera bullata. — Arch. Math. Naturv. Kristiania. 1906, 18 pag., 

 4 Fig., 2 Taf. 



Issel, Raf. Sulla termobiosi negli Animali acquatici. Ricerche 

 faunistiche e biologiche. — Atti Soc. Ligust. Sc. N. Genova, vol. 17, 

 1906, 72 p., 15 fig., 1 Tav. 



* Jackson, J. Wilfrid (1). An attempt to breed from a sinistral 

 Helix pomatia, with notes on the reproduction of the dart. — 

 Journ. Conch. London, vol. 11, p. 341 — 345. 



* — (2). The occurence of the white form of Helicigona 

 lapicida (L.). — Journ. Conchol., vol. 11, 1906, p. 345. 



Jahrbuch für Aquarien- und Terrarien-Freunde. Ein Rück- 

 blick auf das Jahr 1906. III. Jahrgang. Herausgegeb. v. R u d o 1 f 

 M a n d e e. Dresden 1906. 



Janensch, W. Über die Jugendentwicklung von Rhabdoceras 

 suessi V. Hauer. — Centralbl. Mineral. Geol. Palaeontol. 1906, 

 p. 710—716, 2 Textfig. 



*Johnson, C. W. On the habits of Praticolella jejuna. — • 

 Nautilus, vol. 20, 1906, p. 46. 



